English verb conjugation
COULD NOSEDIVE

Regular verb: nosedive - nosedived - nosedived

Affirmation

Simple form	V-ing form
I could nosedive you could nosedive he could nosedive we could nosedive you could nosedive they could nosedive	I could be nosediving you could be nosediving he could be nosediving we could be nosediving you could be nosediving they could be nosediving
Perfect	V-ing perfect
I could have nosedived you could have nosedived he could have nosedived we could have nosedived you could have nosedived they could have nosedived	I could have been nosediving you could have been nosediving he could have been nosediving we could have been nosediving you could have been nosediving they could have been nosediving

Negation

Simple form	V-ing form
I couldn't nosedive you couldn't nosedive he couldn't nosedive we couldn't nosedive you couldn't nosedive they couldn't nosedive	I couldn't be nosediving you couldn't be nosediving he couldn't be nosediving we couldn't be nosediving you couldn't be nosediving they couldn't be nosediving
Perfect	V-ing perfect
I couldn't have nosedived you couldn't have nosedived he couldn't have nosedived we couldn't have nosedived you couldn't have nosedived they couldn't have nosedived	I couldn't have been nosediving you couldn't have been nosediving he couldn't have been nosediving we couldn't have been nosediving you couldn't have been nosediving they couldn't have been nosediving

Interrogative form

Simple form	V-ing form
could I nosedive? could you nosedive? could he nosedive? could we nosedive? could you nosedive? could they nosedive?	could I be nosediving? could you be nosediving? could he be nosediving? could we be nosediving? could you be nosediving? could they be nosediving?
Perfect	V-ing perfect
could I have nosedived? could you have nosedived? could he have nosedived? could we have nosedived? could you have nosedived? could they have nosedived?	could I have been nosediving? could you have been nosediving? could he have been nosediving? could we have been nosediving? could you have been nosediving? could they have been nosediving?

Interro-negative form

Simple form	V-ing form
couldn't I nosedive? couldn't you nosedive? couldn't he nosedive? couldn't we nosedive? couldn't you nosedive? couldn't they nosedive?	couldn't I be nosediving? couldn't you be nosediving? couldn't he be nosediving? couldn't we be nosediving? couldn't you be nosediving? couldn't they be nosediving?
Perfect	V-ing perfect
couldn't I have nosedived? couldn't you have nosedived? couldn't he have nosedived? couldn't we have nosedived? couldn't you have nosedived? couldn't they have nosedived?	couldn't I have been nosediving? couldn't you have been nosediving? couldn't he have been nosediving? couldn't we have been nosediving? couldn't you have been nosediving? couldn't they have been nosediving?